abaacccccccccccccaaaaaaaccccccccccccccccccccccccccccccccccaaaaaa
abaaccccccccccccccaaaaaaaaaaccccccccccccccccccccccccccccccccaaaa
abaaaaacccccccccaaaaaaaaaaaaccccccccccccccccccccccccccccccccaaaa
abaaaaaccccccccaaaaaaaaaaaaaacccccccccccccccccdcccccccccccccaaaa
abaaaccccccccccaaaaaaaaccacacccccccccccccccccdddcccccccccccaaaaa
abaaacccccccccaaaaaaaaaaccaaccccccccccccciiiiddddcccccccccccaccc
abcaaaccccccccaaaaaaaaaaaaaaccccccccccciiiiiijddddcccccccccccccc
abccaaccccccccaccaaaaaaaaaaaacccccccccciiiiiijjddddccccaaccccccc
abccccccccccccccaaacaaaaaaaaaaccccccciiiiippijjjddddccaaaccccccc
abccccccccccccccaacccccaaaaaaacccccciiiippppppjjjdddddaaaaaacccc
abccccccccccccccccccccaaaaaaccccccckiiippppppqqjjjdddeeeaaaacccc
abccccccccccccccccccccaaaaaaccccckkkiippppuupqqjjjjdeeeeeaaccccc
abccccccccccccccccccccccccaaccckkkkkkipppuuuuqqqjjjjjeeeeeaccccc
abccccccccccccccccccccccccccckkkkkkoppppuuuuuvqqqjjjjjkeeeeccccc
abcccccccccccccccccccccccccckkkkooooppppuuxuvvqqqqqqjkkkeeeecccc
abccaaccaccccccccccccccccccckkkoooooopuuuuxyvvvqqqqqqkkkkeeecccc
abccaaaaacccccaaccccccccccckkkoooouuuuuuuxxyyvvvvqqqqqkkkkeecccc
abcaaaaacccccaaaacccccccccckkkooouuuuxxxuxxyyvvvvvvvqqqkkkeeeccc
abcaaaaaaaaaaaaacccccccccccjjjooottuxxxxxxxyyyyyvvvvrrrkkkeecccc
abcccaaaacaaaaaaaaacaaccccccjjoootttxxxxxxxyyyyyyvvvrrkkkfffcccc
SbccaacccccaaaaaaaaaaaccccccjjjooottxxxxEzzzyyyyvvvrrrkkkfffcccc
abcccccccccaaaaaaaaaaaccccccjjjooootttxxxyyyyyvvvvrrrkkkfffccccc
abcaacccccaaaaaaaaaaaccccccccjjjooottttxxyyyyywwvrrrrkkkfffccccc
abaaacccccaaaaaaaaaaaaaacccccjjjjonnttxxyyyyyywwwrrlllkfffcccccc
abaaaaaaaaaaacaaaaaaaaaaccccccjjjnnnttxxyywwyyywwrrlllffffcccccc
abaaaaaaaaaaaaaaaaaaaaaaccccccjjjnntttxxwwwwwywwwrrlllfffccccccc
abaaccaaaaaaaaaaaaaaacccccccccjjjnntttxwwwsswwwwwrrlllfffccccccc
abaacccaaaaaaaacccaaacccccccccjjinnttttwwsssswwwsrrlllgffacccccc
abccccaaaaaaccccccaaaccccccccciiinnntttsssssssssssrlllggaacccccc
abccccaaaaaaaccccccccccaaccccciiinnntttsssmmssssssrlllggaacccccc
abccccaacaaaacccccccaacaaaccccciinnnnnnmmmmmmmsssslllgggaaaacccc
abccccccccaaacccccccaaaaacccccciiinnnnnmmmmmmmmmmllllgggaaaacccc
abaaaccccccccccccccccaaaaaacccciiiinnnmmmhhhmmmmmlllgggaaaaccccc
abaaaaacccccccccccaaaaaaaaaccccciiiiiiihhhhhhhhmmlgggggaaacccccc
abaaaaaccccaaccccaaaaaaacaacccccciiiiihhhhhhhhhhggggggcaaacccccc
abaaaaccccaaaccccaaaacaaaaacccccccciiihhaaaaahhhhggggccccccccccc
abaaaaaaacaaacccccaaaaaaaaaccccccccccccccaaaacccccccccccccccccaa
abaacaaaaaaaaaaaccaaaaaaaaccccccccccccccccaaaccccccccccccccccaaa
abcccccaaaaaaaaacccaaaaaaaccccccccccccccccaacccccccccccccccccaaa
abccccccaaaaaaaaaaaaaaaaacccccccccccccccccaaacccccccccccccaaaaaa
abcccccaaaaaaaaaaaaaaaaaaaaaccccccccccccccccccccccccccccccaaaaaa